SOCCER-EURO/

Polish and Ukrainian border guards take part in a drill to prevent violence among hooligans before the Euro 2012 soccer championship, at the checkpoint at the Polish-Ukrainian border in Hrebenne April 18, 2012. The Polish and Ukrainian border guards take part in a drill for joint work during the Euro 2012. REUTERS/Gleb Garanich (POLAND - Tags: SPORT SOCCER MILITARY)